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Finding the Fourth Proportional to 69,738.68, 96,241.48 and 39,524.06

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Solution

The fourth proportional to 69,738.68, 96,241.48 and 39,524.06 is: 54,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.68 : 96,241.48 = 39,524.06 : x
  2. Step 2: Convert to fraction form
    69,738.68/96,241.48 = 39,524.06/x
  3. Step 3: Cross multiply
    69,738.68x = 96,241.48 × 39,524.06
  4. Step 4: Simplify right side
    69,738.68x = 3,803,854,030.01
  5. Step 5: Solve for x
    x = 3,803,854,030.01/69,738.68
  6. Step 6: Final answer
    x = 54,544.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.